CN206203759U - A kind of stepless speed control elevator controls drive system - Google Patents
A kind of stepless speed control elevator controls drive system Download PDFInfo
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- CN206203759U CN206203759U CN201620239363.5U CN201620239363U CN206203759U CN 206203759 U CN206203759 U CN 206203759U CN 201620239363 U CN201620239363 U CN 201620239363U CN 206203759 U CN206203759 U CN 206203759U
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Abstract
The utility model provides a kind of stepless speed control elevator and controls drive system, including sensor circuit, scaling circuit, safety logic circuit, control interface, power circuit, signal isolation control circuit, servo-controlled motor deceleration system, rope sheave and hanger system, lifting position-limit system, descending spacing system, looseness of steel wire ropes caging system, the power circuit connects sensor circuit, scaling circuit, safety logic circuit, control interface respectively.The beneficial effects of the utility model are with the force operations stepless speed regulation handheld manipulator of very little, can just control to lift very heavy object, and speed with do stepless speed regulation with strength size, the effect of Intelligent lifting can be accomplished, overcome contact contact switch by mechanical shock be easily damaged and voltage instant contact or disconnection cause electric shock spark, accomplish that center of gravity drives design principle simultaneously, improve the service life of elevator.
Description
Technical field：
Field is manufactured the present invention relates to elevator, specially a kind of stepless speed control elevator control drive system.
Background technology：
Generally, the species of elevator is more various, and single-speed motor rotating speed is fixed, and the number of poles of motor is also fixation,
Such as：2-3000 turns of poles, 4-1500 turns of poles, 6-1000 turns of poles, 8-750 turns of poles, even if using double-speed motor, usually pole-changing electricity
Machine, particularly by change connection (such as Δ/YY), thus it is possible to vary the number of poles of motor, can not overcome and reach stepless speed regulation
Purpose.
The speed of elevator is fixed, and current controller aspect is made up of push type button, emergency stop switch, by pressing
The contact contact of button provides control signal, realizes the constant speed ascending, descending control of elevator, is changed in actual Initialize installation and lifting
To during, start-up and shut-down control, contact contact switch is easily damaged by mechanical shock, simultaneously because the instant contact of voltage or
Person disconnects and causes electric shock spark, easily burns control and drive circuit, reduces the service life of elevator；In wet weather
Or operative employee's improper use, it is also easy to cause the generation of electric shock accidents, cause than larger security incident, therefore elevator
Stepless control drive system turns into elevator and manufactures field major issue urgently to be resolved hurrily.
Although in the market has some variable speed products, occupied with stepless speed changing with hydraulic transmission and gear drive variable speed
It is many, or other field some Variable Speed Technologies, but elevator manufacture field, with some different uses
Condition, has certain difference, even if can be realized on elevator with the variable speed control drive system of other field
Stepless speed regulation, then the market price costly, therefore may meet the variable speed control drive that elevator manufactures field
Dynamic system can constructively meet current demand.
The content of the invention：
For the problem for overcoming above-mentioned lifting machine stepless speed regulation aspect to run into, the invention provides a kind of stepless speed regulation lifting
Machine controls drive system, a kind of stepless speed control elevator control drive system include sensor circuit, scaling circuit,
Safety logic circuit, control interface, power circuit, signal isolation control circuit, servo-controlled motor deceleration system, rope sheave
And hanger system, lifting position-limit system, descending spacing system, looseness of steel wire ropes caging system, the power circuit connects respectively
Sensor circuit, scaling circuit, safety logic circuit, control interface, the sensor circuit connection are scaling
Circuit, the scaling circuit connects safety logic circuit, and the safety logic circuit connects control interface, the control
Interface circuit processed connects the signal isolation control circuit, and the signal isolation control circuit connects the SERVO CONTROL electricity respectively
Machine deceleration system, lifting position-limit system, descending spacing system and looseness of steel wire ropes caging system, the servo-controlled motor slow down
System connects the rope sheave and hanger system.
It should be mentioned that manufacturing field, a kind of stepless speed control elevator control of the present invention in elevator
Drive system, especially, is applicable the hoister control and drives field, is different from the general domain known to other public.
The servo-controlled motor deceleration system, rope sheave and hanger system are a kind of stepless speed control elevators of the present invention
Control drive system performs device, the servo-controlled motor deceleration system includes motor, decelerator, synchromesh gear group, volume
Cylinder, the motor connects the decelerator, and the decelerator connects the synchromesh gear group, and the synchromesh gear group connects institute
Reel is stated, the reel connects rope sheave and hanger system, and the rope sheave and hanger system are arranged on SERVO CONTROL electricity
In the gravity vertical of machine deceleration system so that load-bearing center line on same vertical curve, meets with the rope sheave and hanger system
Center of gravity drives principle, reduces vibrations and tilting moment influence of the performs device in increasing productivity.
The sensor circuit is made up of two groups of inductors and two groups of signal generators, and the inductor includes inductor one
And inductor two, the signal generator include signal generator one and signal generator two, the main induced signal of inductor one
Generator one sends different signal intensities, and the main induced signal generator two of inductor two sends different signal intensities, nothing
By being inductor one or inductor two, 2 road electric quantity signals are exported, it is emphasized that manufacturing field, institute in elevator
State in 2 road electric quantity signals, 1 tunnel is elevator displacement high low signal, 1 tunnel is elevator moving direction signal, including rise
Or decline, further, 3.5~6.5V of the inductor input voltage, institute preferably input voltage 5V, output voltage signal with
Signal generator signal intensity linear change between 0.8V~2.5V~4.25V, in signal generator signal intensity opposite direction
When maximum, inductor output voltage 0.8V, when signal generator signal intensity is 0, inductor output voltage 2.5V, in signal
When generator signal intensity positive direction is maximum, inductor output voltage 4.25V, heretofore described inductor output voltage is
2.5V~4.25V.
The scaling circuit is made up of potentiometer, integrated circuit and resistance, and the scaling circuit is input into 2 tunnels
After voltage carries out plus and minus calculation, ratio playback, amplifier zeroing, enhanced processing for the signal of 2.5V~4.25V, 0~5V will be exported
2 road output voltages, the preferred LM324 of integrated circuit.
The safety logic circuit is made up of integrated circuit 1,3,2 potentiometers of integrated circuit 2 and integrated circuit.To ensure
Output safety, the safety logic circuit reserves an interface P3, and all signal outputs, the security logic are forbidden for blocking
Circuit can carry out logical operation to signal, if the sensor circuit has signal output, or output by two groups of inductors
The error signal of very little, the safety logic circuit can forbid output.
1 integrated 4 voltage comparator of the integrated circuit, with potentiometer R3, R53 setting ratio compared with voltage threshold, only
When input signal V1, V2 is more than comparison voltage threshold value, voltage comparator output OUT1, OUT2 signal is high level, is compared
0~0.25V of voltage threshold adjusting range.
The integrated circuit 2 improves output load ability as voltage follower.
The integrated circuit 3 enclosed inside, 4 independent analog switches, by 3 kinds of logical relations of calculation process, control 2
Individual data signal OUT1, OUT2 and 1 output state of speed analog signalses A0：If input OUT1, OUT2 signal is all
Low level, analog signal A0 is output as zero；When input signal OUT1 is high level, analog signal A0 outputs are equal to V1, work as input
Signal OUT2 is high level, and analog signal A0 outputs are equal to V2, if 2 signals OUT1, OUT2 are for high level is input into,
OUT1, OUT2 forbid output simultaneously.
The control interface is made up of electrical connector, exports the rising signals that the safety logic circuit is produced
OUT1, dropping signal OUT2 and rate signal A0.
The power circuit is made up of special chip 1 and reversion power supply changeover device, is the sensor circuit, scaling
Circuit, safety logic circuit provide positive and negative 5V working powers.7~the 40V of input voltage range of special chip 1, exports 5V, maximum defeated
Go out electric current 3A.Reversion power supply changeover device, input voltage 5V, output -5V, output current 100mA.
The signal isolation control circuit mainly includes electronic component 1 and electronic component 2, and the control interface is defeated
The signal of submitting is converted into the recognizable signal of the servo-controlled motor deceleration system.
The servo-controlled motor deceleration system includes servo controller, servomotor, reductor.According to the negative of elevator
Loading amount and lifting speed, may be selected servo controller, servomotor and the reductor of different model.Due to of the present invention
Signal isolation control circuit signal conversion, can be used different brands servo controller, elevator manufacture field,
Described a kind of stepless speed control elevator control drive system servo controller of the present invention and servomotor can utilize class
As drive device and similar driving servo control mechanism, can be to be replaced using frequency converter and variable-frequency motor with paying the utmost attention to
Change.
The rope sheave and hanger system include rope sheave, steel wire rope and suspension hook, and rope sheave forward and reverse rotation passes through Steel rope drive
Suspension hook is moved up and down, and 2 caging systems are housed above rope sheave：Lifting position-limit system and descending spacing system, when suspension hook rises,
Steel wire on rope sheave increases, and lifting position-limit system is increased using the steel wire on contactless electromagnetic induction proximity switch sensing rope sheave
Many, generation increases signal, and signal conversion is carried out through signal isolation control circuit, is transported to the servo-controlled motor and slows down
System, forbids the servomotor to move；When suspension hook declines, the steel wire on rope sheave is reduced, and descending spacing system uses noncontact
Steel wire on formula electromagnetic induction proximity switch sensing rope sheave is reduced, and is produced and is reduced signal, is entered through signal isolation control circuit
Row signal is changed, and is transported to the servo-controlled motor deceleration system, forbids the servomotor to move.The looseness of steel wire ropes
Caging system, when suspension hook landing or other reasons, causes looseness of steel wire ropes, the looseness of steel wire ropes for detecting steel wire rope tension
Caging system is acted, and signal conversion is carried out through signal isolation control circuit, is transported to the servo-controlled motor reduction train
System, forbids the servomotor to move, and prevents steel wire rope from coming off.
Drive system is controlled the beneficial effects of the invention are as follows by the invention provides a kind of stepless speed control elevator, with very
Small force operations stepless speed regulation handheld manipulator, it is possible to the control very heavy object of lifting, and speed with strength size
Do stepless speed regulation, the effect of Intelligent lifting can be accomplished, overcome contact contact switch be easily damaged by mechanical shock and
The instant contact of voltage or disconnection cause electric shock spark, easily burn the phenomenon of control and drive circuit, improve elevator
Service life.
Brief description of the drawings：
Fig. 1 is a kind of stepless speed control elevator control drive system instruction schematic diagram of the present invention；
Fig. 2 is the sensor construction and instruction figure that a kind of stepless speed control elevator of the present invention controls drive system；
Fig. 3 is the sensor circuit of a kind of stepless speed control elevator control drive system of the present invention, scaling
Circuit, safety logic circuit, control interface, the circuit diagram of power circuit；
Fig. 4 is a kind of signal isolation control circuit of stepless speed control elevator control drive system of the present invention；
Fig. 5 is servo-controlled motor deceleration system, rope sheave and hanger system center of gravity drive installation schematic diagram；
Sensor circuit 1, scaling circuit 2, safety logic circuit 3, control interface 4, power circuit 5, signal
Isolation control circuit 6, servo-controlled motor deceleration system 7, rope sheave and hanger system 8, lifting position-limit system 9, descending spacing system
System 10, looseness of steel wire ropes caging system 11, inductor 1, inductor 2 114, signal generator one 113, signal generator
2 112, motor 71, decelerator 72, synchromesh gear group 73, connector 74, reel 75；
Specific embodiment：
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of stepless speed control elevator control drive system includes sensor circuit 1, scaling circuit 2, safety
Logic circuit 3, control interface 4, power circuit 5, signal isolation control circuit 6, servo-controlled motor deceleration system 7, rope
Wheel and hanger system 8, lifting position-limit system 9, descending spacing system 10, looseness of steel wire ropes caging system 11, the power circuit 5
Sensor circuit 1, scaling circuit 2, safety logic circuit 3, control interface 4, the sensor circuit 1 are connected respectively
Connection scaling circuit 2, the connection safety logic circuit 3 of the scaling circuit 2, the connection control of the safety logic circuit 3
Interface circuit processed 4, the control interface 4 connects the signal isolation control circuit 6, and the signal isolation controls circuit 6
The servo-controlled motor deceleration system 7, lifting position-limit system 9, descending spacing system 10 and looseness of steel wire ropes limit are connected respectively
Position system 11, the servo-controlled motor deceleration system 7 connects the rope sheave and hanger system 8.
With reference to Fig. 1, power circuit 5 be the sensor circuit 1, scaling circuit 2, safety logic circuit 3, control connect
On mouth circuit 4 after electricity, after the voltage signal that sensor 1 sends amplifies through scaling circuit, peace transfers to the security logic electricity
Road 3 can carry out logical operation to signal, and last signal is exported through the control interface 4, and then signal is through described
Signal isolation control circuit 6 carries out being converted to the signal that the servo-controlled motor deceleration system 7 is recognized, the SERVO CONTROL
The signal that decelerating through motor system 7 sends response controls the rope sheave and the raising of hanger system 8 or landing load, if there is load
Rise to be raised to restraining position, drop to restraining position or some reasons occur and cause looseness of steel wire ropes phenomenon, the lifting position-limit
System 9, descending spacing system 10 and looseness of steel wire ropes caging system 11 send signal, enter through signal isolation control circuit 6
Row signal is changed, and is transported to the servo-controlled motor deceleration system 7, forbids the servomotor to move, so as to complete this hair
A kind of bright stepless speed control elevator controls the instruction flow of drive system.
Example 1：
First, upward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is up moved
1-15mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, suspension hook is sling to load and is up integrally lifted with speed per minute 1-20 meters；
4th, continue up one hand and hold the variable speed elevator handheld manipulator taper knob so that taper knob keeps
Up move 1-15mm；
5th, suspension hook plays load with speed continuation per minute 1-20 meters up overall lifting, until the SERVO CONTROL
The servomotor stop motion of decelerating through motor system 7.
Example 2：
First, downward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is down moved
7-25mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, suspension hook is sling to load and is down integrally lifted with speed per minute 5-35 meters；
4th, continue downward one hand and hold the variable speed elevator handheld manipulator taper knob so that taper knob keeps
Down move 1-15mm；
Suspension hook plays load with speed continuation per minute 5-35 meters down overall lifting, until the servo-controlled motor
The servomotor stop motion of deceleration system 7.
Example 3：
First, downward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is down moved
3-16mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, the sling load of 10 kilograms of weight of suspension hook is down integrally lifted with speed per minute 7-30 meters；
4th, in the case where the operating mode of machinery and personal safety is ensured, the load for lifting 10 kilograms with external force is so that looseness of steel wire ropes；
5th, the servomotor stop motion of the servo-controlled motor deceleration system 7.
General principle of the invention and principal character and advantages of the present invention, the technology of the industry has been shown and described above
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (8)
1. a kind of stepless speed control elevator controls drive system, including sensor circuit (1), scaling circuit (2), safety to patrol
Collect circuit (3), control interface (4), power circuit (5), signal isolation and control circuit (6), servo-controlled motor reduction train
System (7), rope sheave and hanger system (8), lifting position-limit system (9), descending spacing system (10), looseness of steel wire ropes caging system
(11), it is characterised in that the power circuit (5) connects sensor circuit (1), scaling circuit (2), security logic respectively
Circuit (3), control interface (4), the sensor circuit (1) connect scaling circuit (2), the scaling circuit
(2) connection safety logic circuit (3), the safety logic circuit (3) connects control interface (4), the control interface electricity
Road (4) connects the signal isolation and controls circuit (6), and the signal isolation controls circuit (6) to connect the servo-controlled motor
Deceleration system (7), realizes the continuous output order of variable speed induced signal.
2. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the rope sheave and
Hanger system (8) is in the gravity vertical of the servo-controlled motor deceleration system (7) so that load-bearing center line and the rope
Wheel and hanger system are on same vertical curve.
3. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the signal every
The servo-controlled motor deceleration system (7), lifting position-limit system (9), descending spacing system are connected respectively from control circuit (6)
And looseness of steel wire ropes caging system (11) (10).
4. a kind of stepless speed control elevator according to claim 1 controls drive system, it is characterised in that the sensor
Circuit (1) is made up of two groups of inductors and two groups of signal generators, exports 2 road electric quantity signals, and input voltage 3.5~6.5V is defeated
Go out voltage for 2.5V~4.25V.
5. a kind of stepless speed control elevator according to claim 1 controls drive system, it is characterised in that the ratio is put
Big circuit (2) input voltage is 2.5V~4.25V, exports the 2 road output voltages of 0~5V.
6. a kind of stepless speed control elevator according to claim 1 controls drive system, it is characterised in that the power supply electricity
Road (5) is made up of special chip 1 and reversion power supply changeover device, and the 7~40V of input voltage range of special chip 1 exports 5V, maximum
Output current 3A, inverts power supply changeover device, input voltage 5V, output -5V, output current 100mA.
7. a kind of stepless speed control elevator according to claim 1 controls drive system, it is characterised in that the safety is patrolled
Collect circuit (3) and leave an interface P3.
8. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the signal every
Slow down including the signal that the control interface (4) is transferred out is converted into the servo-controlled motor from control circuit (6)
The electronic component 1 and electronic component 2 of system (7) discernible signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239363.5U CN206203759U (en) | 2016-03-28 | 2016-03-28 | A kind of stepless speed control elevator controls drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239363.5U CN206203759U (en) | 2016-03-28 | 2016-03-28 | A kind of stepless speed control elevator controls drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206203759U true CN206203759U (en) | 2017-05-31 |
Family
ID=58754835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620239363.5U Active CN206203759U (en) | 2016-03-28 | 2016-03-28 | A kind of stepless speed control elevator controls drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206203759U (en) |
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2016
- 2016-03-28 CN CN201620239363.5U patent/CN206203759U/en active Active
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